Netgear XM128U User Manual download pdf (Page 11)

Introduction 1-1

Chapter 1

Introduction

This guide describes how to install and use the Model XM128U ISDN Digital Modem. It includes

a physical description and installation instructions for the hardware, as well as instructions for

installing and using FirstGear

™

for configuring the modem. Use this guide as a reference for

getting started. For more detailed information about installing your Model XM128U modem, refer

Reference Guide for the Model XM128 ISDN Digital Modem.

When used with off-the-shelf Internet or remote access client software, the Model XM128U

modem enables mobile or home users to connect over Integrated Services Digital Network (ISDN)

lines to the Internet or to branch offices. The Model XM128U modem also allows a user to connect

to the analog world through an analog modem, a fax machine, or a telephone.

To take advantage of constant new developments while sustaining your hardware investment, the

Model XM128U modem uses flash EPROMs that enable convenient uploading of newly available

firmware.

Features

The Model XM128U modem supports a variety of compression schemes including V.42bis and

Hi/fn LZS Compression (Stac). The Model XM128U modem can effectively communicate at

speeds up to 460 kilobits per second (Kbps) over ISDN lines.

The Model XM128U modem has two analog ports to connect analog devices such as fax

machines, modems, and telephones. The Model XM128U modem can communicate over the two

B channels to different locations simultaneously, enabling you to send a fax and “surf” the web at

the same time. The analog ports recognize standard dual-tone multifrequency (DTMF) tones as

well as pulse dialing.

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Netgear XM128U User Manual Page 11